With an example of eccentric column capacity, a potential function that satisfies the boundary conditions is formed to obtain corresponding electromagnetic field and its energy density.
文章以偏心圆柱电容为例，通过构造一个满足边界条件的势函数，进而得到相应的静电场和电场能量密度。
This passage bases on electromagnetic field theories, analyzes the physical meanings of electromagnetic energy density from the standpoint of interactions between fields and medium.
本文首先以电磁场理论为基础，从场与介质相互作用的角度详细分析了介质中电磁场能量密度的物理意义。
This passage bases on electromagnetic field theories, analyzes the physical meanings of electromagnetic energy density from the standpoint of interactions between fields and medium.
本文首先以电磁场理论为基础，从场与介质相互作用的角度详细分析了介质中电磁场能量密度的物理意义。
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